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Finding the Fourth Proportional to 242,489.46, 334,622.16 and 133,572.45

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Solution

The fourth proportional to 242,489.46, 334,622.16 and 133,572.45 is: 184,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,489.46 : 334,622.16 = 133,572.45 : x
  2. Step 2: Convert to fraction form
    242,489.46/334,622.16 = 133,572.45/x
  3. Step 3: Cross multiply
    242,489.46x = 334,622.16 × 133,572.45
  4. Step 4: Simplify right side
    242,489.46x = 44,696,301,735.49
  5. Step 5: Solve for x
    x = 44,696,301,735.49/242,489.46
  6. Step 6: Final answer
    x = 184,322.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.